What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines is the most popular carrier operating from Medford to Ontario

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of December 2025.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$107 Cheap Flights from Medford to Ontario in 2025/26

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5:42 pm - 8:36 pm

MFR

ONT

26h 54m1 stop

11:53 am - 11:56 pm

ONT

MFR

12h 03m1 stop

$187Alaska Airlines

lun., ene. 19 - vie., ene. 30

6:05 am - 1:56 pm

MFR

ONT

7h 51m1 stop

1:11 pm - 10:59 pm

ONT

MFR

9h 48m2 stops

$192Delta

mié., ene. 7 - mié., ene. 14

6:05 am - 4:12 pm

MFR

ONT

10h 07m2 stops

1:11 pm - 10:59 pm

ONT

MFR

9h 48m2 stops

$198Delta

mié., ene. 7 - mié., ene. 14

5:42 pm - 11:56 pm

MFR

ONT

6h 14m1 stop

6:00 am - 12:43 pm

ONT

MFR

6h 43m1 stop

$206Alaska Airlines

jue., ene. 22 - dom., ene. 25

6:45 pm - 11:32 pm

MFR

ONT

4h 47m1 stop

6:14 am - 1:02 pm

ONT

MFR

6h 48m1 stop

$215Alaska Airlines

dom., mar. 1 - sáb., mar. 14

1:22 pm - 8:36 pm

MFR

ONT

7h 14m1 stop

11:53 am - 5:02 pm

ONT

MFR

5h 09m1 stop

$216Alaska Airlines

mar., ene. 13 - jue., ene. 15

5:44 pm - 11:32 pm

MFR

ONT

5h 48m1 stop

11:30 am - 2:59 pm

ONT

MFR

27h 29m1 stop

$242Alaska Airlines

lun., mar. 16 - vie., mar. 20

3:45 pm - 3:08 pm

MFR

ONT

23h 23m2 stops

4:03 pm - 11:56 pm

ONT

MFR

7h 53m1 stop

$245Alaska Airlines

mar., ene. 27 - sáb., ene. 31

1:22 pm - 8:36 pm

MFR

ONT

7h 14m1 stop

11:53 am - 10:49 pm

ONT

MFR

10h 56m2 stops

$247Alaska Airlines

mié., ene. 14 - jue., ene. 15

5:42 pm - 8:36 pm

MFR

ONT

26h 54m1 stop

11:53 am - 10:49 pm

ONT

MFR

10h 56m2 stops

$255Alaska Airlines

lun., ene. 19 - vie., ene. 30

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Jan 19

MFR5:42 pmMedford

26h 54m

1 stop

ONT8:36 pmOntario

Jan 30

ONT11:53 amOntario

12h 03m

1 stop

MFR11:56 pmMedford

$187

Find similar

Alaska Airlines

Jan 22

MFR5:42 pmMedford

6h 14m

1 stop

ONT11:56 pmOntario

Jan 25

ONT6:00 amOntario

6h 43m

1 stop

MFR12:43 pmMedford

$206

Find similar

Alaska Airlines

Mar 1

MFR6:45 pmMedford

4h 47m

1 stop

ONT11:32 pmOntario

Mar 14

ONT6:14 amOntario

6h 48m

1 stop

MFR1:02 pmMedford

$215

Find similar

United Airlines flights from Medford to Ontario

Our best United Airlines deals on Medford to Ontario flight tickets

United Airlines

Dec 22

MFR6:34 pmMedford

4h 07m

1 stop

ONT10:41 pmOntario

Dec 25

ONT5:05 amOntario

8h 20m

1 stop

MFR1:25 pmMedford

$474

Find similar

United Airlines

Dec 13

MFR2:05 pmMedford

3h 32m

1 stop

ONT5:37 pmOntario

Dec 14

ONT5:05 amOntario

8h 18m

1 stop

MFR1:23 pmMedford

$475

Find similar

United Airlines

Dec 20

MFR6:34 pmMedford

4h 07m

1 stop

ONT10:41 pmOntario

Jan 1

ONT6:39 pmOntario

4h 18m

1 stop

MFR10:57 pmMedford

$477

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

lun. 1/19

5:42 pm-8:36 pm

1 stop26h 54m

Ontario

vie. 1/30

11:53 am-11:56 pm

1 stop12h 03m

$187

MedfordOntario

MFR - ONT

MFRONT

Medford

mié. 1/7

6:05 am-1:56 pm

1 stop7h 51m

Ontario

mié. 1/14

1:11 pm-10:59 pm

2 stops9h 48m

$192

MedfordOntario

MFR - ONT

MFRONT

Medford

mié. 1/7

6:05 am-4:12 pm

2 stops10h 07m

Ontario

mié. 1/14

1:11 pm-10:59 pm

2 stops9h 48m

$198

MedfordOntario

MFR - ONT

MFRONT

Medford

jue. 1/22

5:42 pm-11:56 pm

1 stop6h 14m

Ontario

dom. 1/25

6:00 am-12:43 pm

1 stop6h 43m

$206

MedfordOntario

MFR - ONT

MFRONT

Medford

dom. 3/1

6:45 pm-11:32 pm

1 stop4h 47m

Ontario

sáb. 3/14

6:14 am-1:02 pm

1 stop6h 48m

$215

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 1/13

1:22 pm-8:36 pm

1 stop7h 14m

Ontario

jue. 1/15

11:53 am-5:02 pm

1 stop5h 09m

$216

MedfordOntario

MFR - ONT

MFRONT

Medford

lun. 3/16

5:44 pm-11:32 pm

1 stop5h 48m

Ontario

vie. 3/20

11:30 am-2:59 pm

1 stop27h 29m

$242

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 1/27

3:45 pm-3:08 pm

2 stops23h 23m

Ontario

sáb. 1/31

4:03 pm-11:56 pm

1 stop7h 53m

$245

MedfordOntario

MFR - ONT

MFRONT

Medford

mié. 1/14

1:22 pm-8:36 pm

1 stop7h 14m

Ontario

jue. 1/15

11:53 am-10:49 pm

2 stops10h 56m

$247

MedfordOntario

MFR - ONT

MFRONT

Medford

lun. 1/19

5:42 pm-8:36 pm

1 stop26h 54m

Ontario

vie. 1/30

11:53 am-10:49 pm

2 stops10h 56m

$255

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel during the month of November, then book flights to Ontario from Medford during June instead. Flights to Ontario in June, while not as cheap as those in November, still average around $310.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $288. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Medford to Ontario for around $386.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Medford to Ontario when you can find flight prices for as low as $311. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $407 on average. Flights to Ontario from Medford at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Fastest flight time	3h 59m
Direct flights	None

The fastest flight from Medford to Ontario takes 3h 59m

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

Search flight deals

How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 3h 59m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of December 2025.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 46% of all bookings. The subsequent popular airlines are Alaska Airlines at 38% and Delta at 15%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 11,429 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.